DICOTYLEDONES — COROLLIFLOR^. 411 



bitter principle and essential oil), Bidens, &c. p. 285. Tus- 

 siLAGO, iSic. p. 286. Xanthium, p. 323. 



Ord.XLVII.CAMPANULACE.E. Ca/^.T-<M5eadn ate with 

 the ovary, mostly 5-lobed, lobes persistent. Corolla regular or 

 irregular, mostly 5-lobed, marcescent. Stamefis equal in num- 

 ber with the segments of the corolla, free or more or less com- 

 bined. Anthers opening longitudinally with 2 cells. Ovary with 

 2 or more poly spermous cells. Style I. ^S^/^wja simple or lobed. 

 Fruit dry, opening between the dissepiments. Seeds fixed to a 

 central receptacle. Albumen fleshy. — Herbaceous or suflFruticose. 

 Leaves mostly alternate, wiifiout stipules. Floivers generally blue 

 orivhite. — Lactescent and bitter. Lobelia Tupa of Chili is highly 

 poisonous. — Corolla regular. — 1. Campanula,/;. 77. 2. Phy- 

 TEUMA,/>. 77. 3. Jasione, p, 76. — Corolla irregular (Lobeli- 

 ACE^, Juss.). — 4. Lobelia, p. 76. 



Ord. XLVIII. VACCINIEiE. Cahjx-tube adnate with the 

 ovary, the limb witli from 4 — 6 more or less distinct lobes. Co- 

 rolla lobed as the calyx. Stamens distinct, double the number 

 of the lobes of the corolla, inserted beneath an epigynous disk. 

 Anthers with 2 cells, opening by 2 pores and often furnished 

 with 2 awns. Ovary 4 — 5-celled, 1 or many-seeded. Style and 

 stigma simple. Berry with minute seeds. Albicmen fleshy. — 

 Slirubs, icith alternate, often coriaceous leaves ; chiefly inhabiting 

 moiintaiiwus situations or high northern latitudes, slightly tonic 

 and astringent ; the fruit esculent. — Vaccinium, /?. 156. 



Subclass IIL CoROLLiFLORiE. 



Corolla monopetalous, bearing the stamens, hypogynous {in- 

 serted upon the receptacle, at the base of the ovary, which is thus 

 free, not adnate"^ with the calyx.) 



Ord. XLIX. ERlCEiE. Calyx oi 4 or 5 divisions, per- 

 sistent. Corolla of 4 or 5 divisions, regular or irregular, almost 

 hypogynous, generally marcescent. Anthers 2-celled, the cells 

 separating at the apex or the base, opening by pores and often 

 appendaged. Ovary surrounded by a disk or scales, many- 

 celled, many-seeded. Style 1. Stigma 1, often lobed. Fruit 

 a capsule, many-celled, with a central receptacle, many seeded. 

 Albumen fleshy. — Shrubs, ivith opposite or ivhorled mostly 

 evergreen and rigid leaves, ivithout stipules. — Many astringent and 

 diureti<r, some poisonous, as Rhododendron and Kalmia. — 1. 

 Erica,/?. 156. 2. Calluna,/:*. 15G. 3. Menziesfa, /?. 155. 4. 

 Azalea, />. 76. 5. Andro3ieda, p. 167. 6. Arbutus,/?. 167. 



Ord.L. MONOTROPE^. Calyx 4— 5-leaved, persistent. 

 Corolla regular, deciduous, 4 — 5-lobed. Stamens 8 — 10 : a«- 



1 In Samolus it is half-aJnate ; in Pyrola the corolla is sometimes polype- 

 tulous. 



